diff --git a/src/json/de.rs b/src/json/de.rs
index e75bf3ca..7d95fd63 100644
--- a/src/json/de.rs
+++ b/src/json/de.rs
@@ -1,6 +1,5 @@
 use std::char;
 use std::io;
-use std::num::Float;
 use std::str;
 
 use unicode::str::Utf16Item;